/*
 *  Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the License); you may
 *  not use this file except in compliance with the License.
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 */

export function sm4_memcpy(
  dst: any,
  dst_offset: number,
  src: any,
  src_offset: number,
  len: number
) {
  while (len--) {
    dst[dst_offset++] = src[src_offset++];
  }
}

export function SM4_GETU32(data: any, offset: number) {
  return (
    ((data[offset] << 24) |
      (data[offset + 1] << 16) |
      (data[offset + 2] << 8) |
      data[offset + 3]) >>>
    0
  );
}

export function SM4_PUTU32(data: any, offset: number, value: any) {
  data[offset + 3] = (value & 0xff) >>> 0;
  value >>>= 8;
  data[offset + 2] = (value & 0xff) >>> 0;
  value >>>= 8;
  data[offset + 1] = (value & 0xff) >>> 0;
  value >>>= 8;
  data[offset] = (value & 0xff) >>> 0;
}

export const SM4_KEY_LENGTH = 16;
export const SM4_BLOCK_SIZE = 16;
export const SM4_IV_LENGTH = SM4_BLOCK_SIZE;
export const SM4_NUM_ROUNDS = 32;

const SM4_S = [
  0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7, 0x16, 0xb6, 0x14, 0xc2, 0x28,
  0xfb, 0x2c, 0x05, 0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3, 0xaa, 0x44,
  0x13, 0x26, 0x49, 0x86, 0x06, 0x99, 0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98,
  0x7a, 0x33, 0x54, 0x0b, 0x43, 0xed, 0xcf, 0xac, 0x62, 0xe4, 0xb3, 0x1c, 0xa9,
  0xc9, 0x08, 0xe8, 0x95, 0x80, 0xdf, 0x94, 0xfa, 0x75, 0x8f, 0x3f, 0xa6, 0x47,
  0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba, 0x83, 0x59, 0x3c, 0x19, 0xe6, 0x85,
  0x4f, 0xa8, 0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b, 0xf8, 0xeb, 0x0f,
  0x4b, 0x70, 0x56, 0x9d, 0x35, 0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2,
  0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, 0x87, 0xd4, 0x00, 0x46, 0x57, 0x9f,
  0xd3, 0x27, 0x52, 0x4c, 0x36, 0x02, 0xe7, 0xa0, 0xc4, 0xc8, 0x9e, 0xea, 0xbf,
  0x8a, 0xd2, 0x40, 0xc7, 0x38, 0xb5, 0xa3, 0xf7, 0xf2, 0xce, 0xf9, 0x61, 0x15,
  0xa1, 0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55, 0xad, 0x93, 0x32, 0x30,
  0xf5, 0x8c, 0xb1, 0xe3, 0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60, 0xc0,
  0x29, 0x23, 0xab, 0x0d, 0x53, 0x4e, 0x6f, 0xd5, 0xdb, 0x37, 0x45, 0xde, 0xfd,
  0x8e, 0x2f, 0x03, 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b, 0x51, 0x8d, 0x1b, 0xaf,
  0x92, 0xbb, 0xdd, 0xbc, 0x7f, 0x11, 0xd9, 0x5c, 0x41, 0x1f, 0x10, 0x5a, 0xd8,
  0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd, 0x2d, 0x74, 0xd0, 0x12, 0xb8,
  0xe5, 0xb4, 0xb0, 0x89, 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e, 0x65, 0xb9,
  0xf1, 0x09, 0xc5, 0x6e, 0xc6, 0x84, 0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d,
  0x20, 0x79, 0xee, 0x5f, 0x3e, 0xd7, 0xcb, 0x39, 0x48,
];

const SM4_FK = [0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc];

const SM4_CK = [
  0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269, 0x70777e85, 0x8c939aa1,
  0xa8afb6bd, 0xc4cbd2d9, 0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249,
  0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9, 0xc0c7ced5, 0xdce3eaf1,
  0xf8ff060d, 0x141b2229, 0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299,
  0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209, 0x10171e25, 0x2c333a41,
  0x484f565d, 0x646b7279,
];

function SM4_ROL32(x: number, n: number) {
  return ((x << n) | (x >>> (32 - n))) >>> 0;
}

function SM4_S32(A: any) {
  return (
    ((SM4_S[A >>> 24] << 24) ^
      (SM4_S[(A >>> 16) & 0xff] << 16) ^
      (SM4_S[(A >>> 8) & 0xff] << 8) ^
      SM4_S[A & 0xff]) >>>
    0
  );
}

function SM4_L32(x: any) {
  return (
    (x ^
      SM4_ROL32(x, 2) ^
      SM4_ROL32(x, 10) ^
      SM4_ROL32(x, 18) ^
      SM4_ROL32(x, 24)) >>>
    0
  );
}

function SM4_L32_(x: any) {
  return (x ^ SM4_ROL32(x, 13) ^ SM4_ROL32(x, 23)) >>> 0;
}

export function sm4_key_new() {
  var key = {
    rk: new Array(SM4_NUM_ROUNDS),
  };
  return key;
}

export function sm4_key_free(key: any) {
  for (var i = 0; i < SM4_NUM_ROUNDS; i++) {
    key.rk[i] = 0;
  }
  // 'delete' cannot be called on an identifier in strict mode.ts(1102)
  //   delete key;
  key = undefined;
}

export function sm4_set_encrypt_key(key: any, user_key: any) {
  var x0, x1, x2, x3, x4;
  x0 = SM4_GETU32(user_key, 0) ^ SM4_FK[0];
  x1 = SM4_GETU32(user_key, 4) ^ SM4_FK[1];
  x2 = SM4_GETU32(user_key, 8) ^ SM4_FK[2];
  x3 = SM4_GETU32(user_key, 12) ^ SM4_FK[3];
  key.rk[0] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[0]))) >>> 0;
  key.rk[1] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[1]))) >>> 0;
  key.rk[2] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[2]))) >>> 0;
  key.rk[3] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[3]))) >>> 0;
  key.rk[4] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[4]))) >>> 0;
  key.rk[5] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[5]))) >>> 0;
  key.rk[6] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[6]))) >>> 0;
  key.rk[7] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[7]))) >>> 0;
  key.rk[8] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[8]))) >>> 0;
  key.rk[9] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[9]))) >>> 0;
  key.rk[10] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[10]))) >>> 0;
  key.rk[11] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[11]))) >>> 0;
  key.rk[12] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[12]))) >>> 0;
  key.rk[13] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[13]))) >>> 0;
  key.rk[14] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[14]))) >>> 0;
  key.rk[15] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[15]))) >>> 0;
  key.rk[16] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[16]))) >>> 0;
  key.rk[17] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[17]))) >>> 0;
  key.rk[18] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[18]))) >>> 0;
  key.rk[19] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[19]))) >>> 0;
  key.rk[20] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[20]))) >>> 0;
  key.rk[21] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[21]))) >>> 0;
  key.rk[22] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[22]))) >>> 0;
  key.rk[23] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[23]))) >>> 0;
  key.rk[24] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[24]))) >>> 0;
  key.rk[25] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[25]))) >>> 0;
  key.rk[26] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[26]))) >>> 0;
  key.rk[27] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[27]))) >>> 0;
  key.rk[28] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[28]))) >>> 0;
  key.rk[29] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[29]))) >>> 0;
  key.rk[30] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[30]))) >>> 0;
  key.rk[31] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[31]))) >>> 0;
  x0 = x1 = x3 = x3 = x4 = 0;
}

export function sm4_set_decrypt_key(key: any, user_key: any) {
  var x0, x1, x2, x3, x4;
  x0 = SM4_GETU32(user_key, 0) ^ SM4_FK[0];
  x1 = SM4_GETU32(user_key, 4) ^ SM4_FK[1];
  x2 = SM4_GETU32(user_key, 8) ^ SM4_FK[2];
  x3 = SM4_GETU32(user_key, 12) ^ SM4_FK[3];
  key.rk[31] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[0]))) >>> 0;
  key.rk[30] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[1]))) >>> 0;
  key.rk[29] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[2]))) >>> 0;
  key.rk[28] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[3]))) >>> 0;
  key.rk[27] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[4]))) >>> 0;
  key.rk[26] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[5]))) >>> 0;
  key.rk[25] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[6]))) >>> 0;
  key.rk[24] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[7]))) >>> 0;
  key.rk[23] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[8]))) >>> 0;
  key.rk[22] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[9]))) >>> 0;
  key.rk[21] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[10]))) >>> 0;
  key.rk[20] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[11]))) >>> 0;
  key.rk[19] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[12]))) >>> 0;
  key.rk[18] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[13]))) >>> 0;
  key.rk[17] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[14]))) >>> 0;
  key.rk[16] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[15]))) >>> 0;
  key.rk[15] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[16]))) >>> 0;
  key.rk[14] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[17]))) >>> 0;
  key.rk[13] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[18]))) >>> 0;
  key.rk[12] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[19]))) >>> 0;
  key.rk[11] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[20]))) >>> 0;
  key.rk[10] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[21]))) >>> 0;
  key.rk[9] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[22]))) >>> 0;
  key.rk[8] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[23]))) >>> 0;
  key.rk[7] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[24]))) >>> 0;
  key.rk[6] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[25]))) >>> 0;
  key.rk[5] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[26]))) >>> 0;
  key.rk[4] = x1 = (x2 ^ SM4_L32_(SM4_S32(x3 ^ x4 ^ x0 ^ SM4_CK[27]))) >>> 0;
  key.rk[3] = x2 = (x3 ^ SM4_L32_(SM4_S32(x4 ^ x0 ^ x1 ^ SM4_CK[28]))) >>> 0;
  key.rk[2] = x3 = (x4 ^ SM4_L32_(SM4_S32(x0 ^ x1 ^ x2 ^ SM4_CK[29]))) >>> 0;
  key.rk[1] = x4 = (x0 ^ SM4_L32_(SM4_S32(x1 ^ x2 ^ x3 ^ SM4_CK[30]))) >>> 0;
  key.rk[0] = x0 = (x1 ^ SM4_L32_(SM4_S32(x2 ^ x3 ^ x4 ^ SM4_CK[31]))) >>> 0;
  x0 = x1 = x3 = x3 = x4 = 0;
}

export function sm4_encrypt(
  inbuf: any,
  in_offset: number,
  outbuf: any,
  out_offset: number,
  key: any
) {
  var x0, x1, x2, x3, x4;
  x0 = SM4_GETU32(inbuf, in_offset);
  x1 = SM4_GETU32(inbuf, in_offset + 4);
  x2 = SM4_GETU32(inbuf, in_offset + 8);
  x3 = SM4_GETU32(inbuf, in_offset + 12);
  x4 = x0 ^ SM4_L32(SM4_S32(x1 ^ x2 ^ x3 ^ key.rk[0]));
  x0 = x1 ^ SM4_L32(SM4_S32(x2 ^ x3 ^ x4 ^ key.rk[1]));
  x1 = x2 ^ SM4_L32(SM4_S32(x3 ^ x4 ^ x0 ^ key.rk[2]));
  x2 = x3 ^ SM4_L32(SM4_S32(x4 ^ x0 ^ x1 ^ key.rk[3]));
  x3 = x4 ^ SM4_L32(SM4_S32(x0 ^ x1 ^ x2 ^ key.rk[4]));
  x4 = x0 ^ SM4_L32(SM4_S32(x1 ^ x2 ^ x3 ^ key.rk[5]));
  x0 = x1 ^ SM4_L32(SM4_S32(x2 ^ x3 ^ x4 ^ key.rk[6]));
  x1 = x2 ^ SM4_L32(SM4_S32(x3 ^ x4 ^ x0 ^ key.rk[7]));
  x2 = x3 ^ SM4_L32(SM4_S32(x4 ^ x0 ^ x1 ^ key.rk[8]));
  x3 = x4 ^ SM4_L32(SM4_S32(x0 ^ x1 ^ x2 ^ key.rk[9]));
  x4 = x0 ^ SM4_L32(SM4_S32(x1 ^ x2 ^ x3 ^ key.rk[10]));
  x0 = x1 ^ SM4_L32(SM4_S32(x2 ^ x3 ^ x4 ^ key.rk[11]));
  x1 = x2 ^ SM4_L32(SM4_S32(x3 ^ x4 ^ x0 ^ key.rk[12]));
  x2 = x3 ^ SM4_L32(SM4_S32(x4 ^ x0 ^ x1 ^ key.rk[13]));
  x3 = x4 ^ SM4_L32(SM4_S32(x0 ^ x1 ^ x2 ^ key.rk[14]));
  x4 = x0 ^ SM4_L32(SM4_S32(x1 ^ x2 ^ x3 ^ key.rk[15]));
  x0 = x1 ^ SM4_L32(SM4_S32(x2 ^ x3 ^ x4 ^ key.rk[16]));
  x1 = x2 ^ SM4_L32(SM4_S32(x3 ^ x4 ^ x0 ^ key.rk[17]));
  x2 = x3 ^ SM4_L32(SM4_S32(x4 ^ x0 ^ x1 ^ key.rk[18]));
  x3 = x4 ^ SM4_L32(SM4_S32(x0 ^ x1 ^ x2 ^ key.rk[19]));
  x4 = x0 ^ SM4_L32(SM4_S32(x1 ^ x2 ^ x3 ^ key.rk[20]));
  x0 = x1 ^ SM4_L32(SM4_S32(x2 ^ x3 ^ x4 ^ key.rk[21]));
  x1 = x2 ^ SM4_L32(SM4_S32(x3 ^ x4 ^ x0 ^ key.rk[22]));
  x2 = x3 ^ SM4_L32(SM4_S32(x4 ^ x0 ^ x1 ^ key.rk[23]));
  x3 = x4 ^ SM4_L32(SM4_S32(x0 ^ x1 ^ x2 ^ key.rk[24]));
  x4 = x0 ^ SM4_L32(SM4_S32(x1 ^ x2 ^ x3 ^ key.rk[25]));
  x0 = x1 ^ SM4_L32(SM4_S32(x2 ^ x3 ^ x4 ^ key.rk[26]));
  x1 = x2 ^ SM4_L32(SM4_S32(x3 ^ x4 ^ x0 ^ key.rk[27]));
  x2 = x3 ^ SM4_L32(SM4_S32(x4 ^ x0 ^ x1 ^ key.rk[28]));
  x3 = x4 ^ SM4_L32(SM4_S32(x0 ^ x1 ^ x2 ^ key.rk[29]));
  x4 = x0 ^ SM4_L32(SM4_S32(x1 ^ x2 ^ x3 ^ key.rk[30]));
  x0 = x1 ^ SM4_L32(SM4_S32(x2 ^ x3 ^ x4 ^ key.rk[31]));
  SM4_PUTU32(outbuf, out_offset, x0);
  SM4_PUTU32(outbuf, out_offset + 4, x4);
  SM4_PUTU32(outbuf, out_offset + 8, x3);
  SM4_PUTU32(outbuf, out_offset + 12, x2);
}

export function sm4_decrypt(
  inbuf: any,
  in_offset: number,
  outbuf: any,
  out_offset: number,
  key: any
) {
  return sm4_encrypt(inbuf, in_offset, outbuf, out_offset, key);
}

export function sm4_test() {
  const user_key = [
    0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98,
    0x76, 0x54, 0x32, 0x10,
  ];
  // Round Key: rk（Round Key，轮密钥）是用于每一轮加密和解密过程中的子密钥
  const rk = [
    0xf12186f9, 0x41662b61, 0x5a6ab19a, 0x7ba92077, 0x367360f4, 0x776a0c61,
    0xb6bb89b3, 0x24763151, 0xa520307c, 0xb7584dbd, 0xc30753ed, 0x7ee55b57,
    0x6988608c, 0x30d895b7, 0x44ba14af, 0x104495a1, 0xd120b428, 0x73b55fa3,
    0xcc874966, 0x92244439, 0xe89e641f, 0x98ca015a, 0xc7159060, 0x99e1fd2e,
    0xb79bd80c, 0x1d2115b0, 0x0e228aeb, 0xf1780c81, 0x428d3654, 0x62293496,
    0x01cf72e5, 0x9124a012,
  ];
  const plaintext = [
    0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98,
    0x76, 0x54, 0x32, 0x10,
  ];
  const ciphertext = [
    0x68, 0x1e, 0xdf, 0x34, 0xd2, 0x06, 0x96, 0x5e, 0x86, 0xb3, 0xe9, 0x4f,
    0x53, 0x6e, 0x42, 0x46,
  ];
  const ciphertext2 = [
    0x59, 0x52, 0x98, 0xc7, 0xc6, 0xfd, 0x27, 0x1f, 0x04, 0x02, 0xf8, 0x04,
    0xc3, 0x3d, 0x3f, 0x66,
  ];

  var key = sm4_key_new();
  var buf = new Array(SM4_BLOCK_SIZE);

  sm4_set_encrypt_key(key, user_key);

  for (var i = 0; i < SM4_NUM_ROUNDS; i++) {
    if (key.rk[i] != rk[i]) {
      console.log("sm4_set_encrypt_key failed");
      return 0;
    }
  }

  sm4_encrypt(plaintext, 0, buf, 0, key);

  console.log("sm4 test1");
  for (var i = 0; i < SM4_BLOCK_SIZE; i++) {
    if (buf[i] != ciphertext[i]) {
      console.log("sm4_encrypt failed");
      return 0;
    }
  }

  sm4_memcpy(buf, 0, plaintext, 0, SM4_BLOCK_SIZE);

  console.log("sm4 test2");
  for (var i = 0; i < 1000000; i++) {
    sm4_encrypt(buf, 0, buf, 0, key);
  }

  for (var i = 0; i < SM4_BLOCK_SIZE; i++) {
    if (buf[i] != ciphertext2[i]) {
      console.log("sm4_encrypt 1000000 failed");
      return 0;
    }
  }

  sm4_set_decrypt_key(key, user_key);
  sm4_encrypt(ciphertext, 0, buf, 0, key);

  for (var i = 0; i < SM4_BLOCK_SIZE; i++) {
    if (buf[i] != plaintext[i]) {
      console.log("sm4_decrypt failed");
      return 0;
    }
  }

  sm4_key_free(key);
  return 1;
}
